Home / 156,963.65-234,953.40-112,676.90

Finding the Fourth Proportional to 156,963.65, 234,953.40 and 112,676.90

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Solution

The fourth proportional to 156,963.65, 234,953.40 and 112,676.90 is: 168,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,963.65 : 234,953.40 = 112,676.90 : x
  2. Step 2: Convert to fraction form
    156,963.65/234,953.40 = 112,676.90/x
  3. Step 3: Cross multiply
    156,963.65x = 234,953.40 × 112,676.90
  4. Step 4: Simplify right side
    156,963.65x = 26,473,820,756.46
  5. Step 5: Solve for x
    x = 26,473,820,756.46/156,963.65
  6. Step 6: Final answer
    x = 168,662.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.